9613531173 has 4 divisors (see below), whose sum is σ = 12818041568. Its totient is φ = 6409020780.

The previous prime is 9613531139. The next prime is 9613531183. The reversal of 9613531173 is 3711353169.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9613531173 - 2¹⁴ = 9613514789 is a prime.

It is a super-2 number, since 2×9613531173² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9613531133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602255193 + ... + 1602255198.

It is an arithmetic number, because the mean of its divisors is an integer number (3204510392).

Almost surely, 2^9613531173 is an apocalyptic number.

It is an amenable number.

9613531173 is a deficient number, since it is larger than the sum of its proper divisors (3204510395).

9613531173 is a wasteful number, since it uses less digits than its factorization.

9613531173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204510394.

The product of its digits is 51030, while the sum is 39.

The square root of 9613531173 is about 98048.6163747352. The cubic root of 9613531173 is about 2126.3152124275.

The spelling of 9613531173 in words is "nine billion, six hundred thirteen million, five hundred thirty-one thousand, one hundred seventy-three".